Perhaps you should try some spelling variations:
"trinh cfd code snippets" » "trinh cad code snippets", "trinh co code snippets", "trinh cau code snippets", "trinh cfd core snippets"
"trong cac cong snippets" » "trong cua cong snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh cfd code snippets") or ("trong cac cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cfd code snippets") OR ("trong cac cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cfd code snippets ) or ( trong cac cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cfd code snippets") or ("trong cac cong snippets"))) or ("locating bug code snippets"))*.